The whale shark is the world's largest fish, growing up to 12 meters and filtering tons of water daily.

Deep-sea fish like the barreleye have transparent heads and tubular eyes that can rotate to face upward.

Fact #5104 · Ocean

The tallest mountain from base to peak is Mauna Kea in Hawaii — it's just mostly underwater.

Fact #3405 · Ocean

Hurricanes gain strength from warm ocean water.

Fact #808 · Ocean

The Great Pacific Garbage Patch spans an area about twice the size of Texas.

Fact #5209 · Ocean

Some deep-sea creatures produce their own light through bioluminescence.

Fact #1391 · Ocean

Some whales communicate across vast distances underwater.

Fact #228 · Ocean

Prehistoric coral reefs were similar to modern reefs.

Fact #707 · Ocean

The giant squid lives in deep ocean waters.

Fact #659 · Ocean